//
//  UIBarButtonItem+Extensions.swift
//  飞哥大微博
//
//  Created by huangfei on 2017/6/2.
//  Copyright © 2017年 huangfei. All rights reserved.
//

import UIKit

extension UIBarButtonItem {
    
    
    /// 创建UIBarButtonItem
    ///
    /// - Parameters:
    ///   - title: title
    ///   - fontSize: fontSize:默认16号
    ///   - target: target
    ///   - action: action  
    ///   - isBack: 是否是返回按钮,如果是，加上箭头
    convenience init(title:String,fontSize:CGFloat = 16,target:Any?,action:Selector,isBack:Bool = false) {
        let btn:UIButton = UIButton.cz_textButton(title, fontSize: fontSize, normalColor: UIColor.darkGray, highlightedColor: UIColor.orange)
        
        if isBack {
            let imageName = "navigationbar_back_withtext"
            btn.setImage(UIImage(named:imageName), for: .normal)
            btn.setImage(UIImage(named:imageName + "_highlighted"), for: .highlighted)
            
            btn.sizeToFit()
        }
        
        btn.addTarget(target, action: action, for: .touchUpInside)
        
        // self.init 实例化UIBarButton
        self.init(customView:btn)
    }
}
